Improvement in accordions



F. GDETZE Q. D. MULLER.

, Accordions.

No. 144,025. Ahit-@md 0er. 28, m3.

UNITED STATES PATENT FliIClilr FREDRIOK GOETZE AND DONAT MLLER, OF NEW YORK, N. Y.

IMPROVEMENT IN ACCQRDIONS, &o.

Specification forming port of Letters Patent No. 144,025, dated October 28, 1873; application tiled J une 21, 1873.

To all whom it may concern:

Be it known that we, Fnnnnicir Gonrzn and DONAT MLLER, of the city, county, and State of New York, have invented a new and Improved Musical Instrument, of which the following is a specification:

Our invention consists essentially of the application of two unisono-tuned reeds to every key of both key-bards 'oi' a wind-instrument in which thei'key-boards form the sides ofthe bellows as in an accordion, whereby one reed will sound by expanding and the other by contractiigtli'bellows, and thus give the same note continuously asloiigas may be required?" Our inveii lso consists ot' sliding holders, iii combination witli'tl'i'ekey-boards ot' such instruments, by which the bellows can be worked by the wrists of the player, thus leaving all the fingers free to work the keys, and allowing the hands to slide along the keyboards, the instrument being supported at one end on the knees.

rlhe instrument thus improved by us we call an aeolodikoii.77

Figure l is a pla-n view of the left-hand side ot' our improved instrument. Fig. 2 is a longitudinal sectional elevation taken on the line x a: of Fi 1. Fig. 3 is a transverse sectional elevation taken on the line y y ot Fig. 2; and Fig. 4 is a detail section, showing the arrangement ot' the two reeds to one key.

Similar letters of reference indicate corresponding parts.

A represents the key-board of the left-hand side of the instrument, B, the key-board of the other side; C, the bellows, I), the reed-boards, and E the valve-board, of the left-hand side; F, the reed-board, and G- the valve-board, ot' the right-hand side. 'Ilo each valve H oi' both sides we ali-range two passages, I J, each having a reed, K, and a supplementary valve, L, arranged reversely to each other, as clearly shown in Fig. et, the reeds being unisono tuned, as aforesaid, so that exactly the same sound is produced to each key, whether the bellows be expanded or contracted, thus allowing the prolongation of the sound to a greater extent than can be done with the instruments of this cha 'acter as heretofore constructed. The arrangement of the notes ofthe li ft-hand finger-board is made to effect and also to facilitate the accoinliiaiiiment of every musical major and minor key. For example, if the thumb is placed on the key (l, the first iinger on key l0, the second fin ger on key 1l, an d th e fourth linger on key 14., it will give the chord of C major. It' the saine fingers be placed with the hand spreadthe saine on keys G, ll, 12, and l5, it will give the chord of G major, and so on to the left end, whereat the chord of F sharp major will be given, and at the right end the chord of Gr fiat major will be given. If the thumb is placed on the key C, the iirst finger on key 7, the third linger on key 10, and the fourth iiiiger on key l1, it will give the chord of C minor. It the saine fingers with the same spread are placed on the next keys G, 8, ll, and l2, it will give the chord of C minor, and so on to the left end, whereat the chord of F sharp minor will be given, and at the right end the chord of Giiat minor will be given. M represents the holders for working the bellows by the wrists. They are attached to a sliding block, N, one to cach key-board, arranged in a race, O, so as to actuate the bellows, while at the same time shifting along the key-boards for applying the ingers to the keys.

To acquire the free use of the five fingers of both hands, and the use of the wrists for working the bellows, both key-boards are laid horizontally on the detached decks of the instrument for practice.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-

The combination ot sliding holders M with the key-boards of a wind-instrument in which the bellows is actuated by the instrumentality of the key-boards, substantially as specified.

' FREDRIUK" GOETZE.

DONAT MULLER `Witnesses T. B. Mosman, ALEX. F. Renners. 

